{
  "cveId": "CVE-2018-8171",
  "url": "https://patchblox.com/security/cve/CVE-2018-8171",
  "summary": "CVE-2018-8171 is fixed in 4 products on 1 platform, first by KB4339279, released July 10, 2018. It is not reported as exploited. Patch Radar priority: High.",
  "title": "ASP.NET Security Feature Bypass Vulnerability",
  "description": "\u003Cp\u003EA Security Feature Bypass vulnerability exists in ASP.NET when the number of incorrect login attempts is not validated.\u003C/p\u003E\n\u003Cp\u003EAn attacker who successfully exploited this vulnerability could try an infinite number of authentication attempts.\u003C/p\u003E\n\u003Cp\u003EThe update addresses the vulnerability by validating the number of incorrect login attempts.\u003C/p\u003E",
  "published": "2018-07-10T07:00:00Z",
  "severity": "Important",
  "epss": 0.10774,
  "epssPercentile": 0.95862,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Unlikely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8171",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "ASP.NET MVC 5.2 on Microsoft Visual Studio 2013 Update 5",
      "fixedVersion": "",
      "fix": "KB4339279",
      "url": "https://patchblox.com/security/fix/microsoft/kb4339279",
      "released": "2018-07-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "ASP.NET MVC 5.2 on Microsoft Visual Studio 2015 Update 3",
      "fixedVersion": "",
      "fix": "KB4339279",
      "url": "https://patchblox.com/security/fix/microsoft/kb4339279",
      "released": "2018-07-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "ASP.NET Web Pages 3.2.3 on Microsoft Visual Studio 2013 Update 5",
      "fixedVersion": "",
      "fix": "KB4339279",
      "url": "https://patchblox.com/security/fix/microsoft/kb4339279",
      "released": "2018-07-10T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "ASP.NET Web Pages 3.2.3 on Microsoft Visual Studio 2015 Update 3",
      "fixedVersion": "",
      "fix": "KB4339279",
      "url": "https://patchblox.com/security/fix/microsoft/kb4339279",
      "released": "2018-07-10T07:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}